Regional shifts in the postwar traffic of class I railways.
Published: 1946
Place of publication: Washington, D.C
Language: eng
Subjects: Freight and freightage; Railroads -- United States; Railroads -- Traffic
Notes: Cover-title.

Reproduced from typewritten copy.

"Statement no. 4622, file no. 314-B-6."

"Prepared ... by Julian Duncan, assisted by H.S. Connell"--cf. Pref.